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National Window & Door

1800 C a m b r i a   S t r e e t   N.E.  •  C h r i s t i a n s b u r g ,   V A   2 4 0 7 3

Store Hours: Monday - Friday 8:00 a.m. - 5:00 p.m.
Saturday 9:00 a.m. - 1:00 p.m.  •  Sunday Closed

Tax Credits for Energy Efficiency!
Fusion-Welding Construction
The Ply-Gem Premium Replacement Series windows are entirely fusion welded -sashes and mainframes -to create a solid, one-piece unit that maintains its strength over the years.
 
Heavy-Duty Weather-striping
Ply-Gem Premium Replacement Series windows feature heavy-duty weather-stripping to provide a barrier to air and water.
 
Poly Insulation
Testing proves Ply-Gem Premium Replacement Series vinyl windows provide higher thermal performance. The mainframes are filled with patented Poly insulation, the same type used in many refrigerator/freezer doors.
 
+V.S. Patent Number: 4,516,356
 
Warm-edge Intercept® Insulated Glass
The Warm-edge Intercept insulated glass within Ply-Gem Premium Replacement Series windows reduces thermal transfer around the glass perimeter by utilizing a unique U-shaped channel to separate glass panes and interrupt the natural flow of heat to cold.

Low-E with argon - glass option has one lite of soft coat, single-surface multilayer vacuum- deposition Low-E in a 7/8" insulated glass unit with argon gas. Argon gas is nearly 40% denser than air* which means more energy efficiency for your home.
 
+Figure courtesy of Unde Gas, Inc.
 
Dual Low-E with argon - has two lites of Low-E glass and an insulation chamber of argon gas. The dual-surface multilayer vacuum-deposition Low-E in a 7/8" insulated glass units with argon gas makes these windows nearly two times more energy efficient than a clear insulated glass unit.

Triple Low-E with argon - has three lites of Low-E glass and two insulation chambers of argon gas. The result is an insulated glass unit that is nearly six times more energy efficient than single pane glass.
 
The Ply-Gem Premium Replacement Series High Performance Upgrade includes a DP50 rating with sash polyurethane insulation and fiberglass reinforcement. Double-hung and slider windows utilize reinforced sash meeting rails on sizes requiring additional support for unsurpassed strength, durability and energy efficiency.

Warm-edge Intercept Insulated Glass

540-381-0951

Quality Through and Through
Choose Your Level of Comfort
Warmedge Intercept Insulated Glass

Fusion-welded Strength

Poly Insulated Frames

Warm-edge®  Intercept
Insulated Glass

Full Interlocking Check Rails Shown With Optional Fiberglass Reinforcement and Polyurethane Foam Filled Sash

Energy Star PartnerPly-Gem Windows

E-mail Us At: nwd-sales@hotmail.com

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